Adjustable shade bracket



Dec. 25, 1923. 0 1,478,779

. B. W. WHITWORTH ADJUSTABLE SHADE BRACKET Filed Dec 29: 1922' 2Sheets-Sheet l INVENTOR. .5. W- Wz'Zh aWZ/i A TTORNEY ADJUSTABLE SHADEBRACKET FileQDec. 29, 1.922 2 Shet-Sheet 2 I INVENTOR. 31 14 WMn a ATTORNEY.

Patented Dec. 25, 1923.

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1,4'78579 'i -r r BEvInLfw. wrnrwonrn, orciaann, NEBRASKA.

ADJUSTABLE SHADE BRACKET.

Application filed December as, 1922. Serial no. ecasse.

To all whomitmag concern: 1

Be it known that \BEVILL W. WHITWORTH, citizen of the United States,residin at Omaha, in the county of Douglas and tate of Nebraska, hasinvented certainnew and useful Improvements in Adjustable ShadeBrackets, of which the following is a specification, reference being hadtherein to the accompanying drawings.

The invention relates to shade brackets and has for its object toprovide a device of this character wherein the shade roller is supportedon slidable brackets slidably mounted in guides at the opposite sidesofa window frame, the slidable brackets being provided with pivoted pawlscooperating with ratchet teeth carried by the guides against the actionof a pulley supported weight, mounted in the guides.

A further object is to provide levers and a connecting bar carried bythe slidable bracket and forming means whereby upon the downwardmovement of the connecting bar, the pawls will be moved out ofengagement with the ratchet teeth and allowing the shade to be moved tovarious positions under the influence of the weight or against theaction of the weight.

A further object is to provide a connecting bar which may be connectedto the pawl controlling levers at a right angle to said levers when theguides are mounted on the inner sides of the window frame instead of onthe face thereof.

With the above and other objects in view the invention resides in thecombination and rrangement of parts as hereinafter set forth, shown inthe drawing, described and claimed, it being understood that changes inthe precise embodiment of the invention may be made within the scope ofwhat is claimed without departing from the spirit of the invention.

In the drawing:

Figure 1 is a perspective view of a conventional form of window frameand shade, showing the shade supported by the brackets.

Figure 2 is a front elevation of one of the adjustable shade supportingbrackets.

Figure 3 is a horizontal sectional view taken on line 3-3 of Figure 2.

Figure 4 is a horizontal sectional view taken on line 4-4 of Figure 2.

Figure 5 is a perspective view of a portion of a slidable bracket,showing the shade bracket receiving socket.

Figure 6 is a perspective view of another form of shade receivingbracket.

Figure 7 is'a plan View of the connecting bar.

Figure Sisa plan view of another form of connecting bar.

Figure 9 is an. enlarged front elevation of portions of the bracketsshowing the con nectingba-r.

. Figure 10 is a perspective view of a portion of a window frame showingthe bracket attached to the inner side of the frame.

Figure 11is a perspective view of a portion of one offthe brackets.

Referring to the drawing, the numeral 1 designates a conventional formof window frame, and 2 a shade, which shade is carried bya conventionalform of shade roller 3. The shade roller 3 has its pintles mounted inshade brackets 5, which brackets are secured to slidable brackets 6,which are "U- shapedin horizontal cross section and are slidably mountedin the guide channels 7 secured to the faces of the window frame 1, inparallel relation to each other. The guide channels 7 are provided withflanges 8, which overlie theslidable brackets 6 and when said slidablebrackets are moved upwardly or downwardly, the shade roller 3 is movedto the desired position for adjusting the shade 2 as a whole. One of theflanges 8 of each guide channel 7 is provided with ratchet teeth 9, withwhich ratchet teeth the nose 1O of a pivoted pawl 11 cooperates forholding the slidable bracket 6 against upward movement under theinfluence of the weight 12, which weight is connected at 13 to theslidable bracket by means of a cord 14, which cord passes over a pulley15. The nose 10 of the pawl 11 is held in engagement with the teeth 9 bymeans of the coiled spring 15, which coiled spring is connected at 16 tothe pawl 11 above its pivotal point 17, and at 18 to the slidablebracket 6.

Extending outwardly from the slidable brackets 6 are brackets 19, towhich brackets are pivotally connected at 20 levers 21, which extendtoward each other. The outer ends of the levers 21 are pivotallyconnected at 2 1 to the lower ends of the pawls 11. It

' will be seen that a simultaneous downward movement of the inner ends25 of the levers 19 will simultaneously impart an upward and inward pullon the links 28, thereby simultaneously moving the dogs 11 out ofcooperative engagement with the ratchet teeth 9, and allowing thecurtain shade 3 to move upwardly under the influence of a weight 12.Connecting the inner ends of the levers 19 is a connecting bar 26, theends of which are provided with arcuate slots 27 which are concentric tothe pivotal point 20 of the levers 21, consequently when the operatorpulls downwardly on the bar 26, the pins 28 carried by the ends 25 ofthe levers 21 move towards the ends of the arcuate slots 27, therebyrocking the levers 21 and imparting pulls on the links 23 and as thedogs 11 are disengaged the slidable shade brackets 6 will be movedupwardly under the influence of the weights '12 on an extreme downwardpull on the connecting bar 26 by the operator.

When the guide channels 7 are secured to the inner faces of the sides ofthe frame, the connecting bar 26'is removed and the connecting bar 26substituted therefor. By removing the pins 28 and placing the pintles 26of the connecting bar 26 in the holes from which the pins 28 have beenremoved. The operation is the same. Referring to Figure 5, the slidableshade bracket 6 is provided with a socket 5 for the reception 7 of thearm 5 of the shade supporting brackin the channel members, ratchet teethcarried by the channeled members and overlying the shade supportingbrackets, spring actuated dogs pivoted to the slidable shade supportingbrackets and cooperating with the ratchet teeth, pivotedlevers carriedby the slidable brackets and extending towards each other, a linkconnection between the outer ends of the pivoted levers and the pivoteddogs, weights'slidably mounted in the channelled members, cords carriedby the weights, said cords extending upwardly over pulleys anddownwardly and having their ends connected to the slidable brackets, anda connecting rod connecting the pivoted levers at their inner ends andforming means whereby upon a movement'o'f the connecting bar the pivotedlevers will be rocked and the pivoted dogs moved out of cooperativeengagement with the ratchet teeth. f

In testimony whereof I hereunto afiix my signature.

BEvrLL w. wnrrwosrn.

